Veeam Backup fails to backup VMware VM when VMware datastore name contains invalid character and Veeam returns blank error message.

Findings

Veeam fails to backup VM when VMware datastore name contains invalid character @.

Veeam returns blank error message and this error message can also be viewed in veeam log located at

C:\ProgramData\Veeam\Backup\TLCESXI51W7\Task.TLCESXI51W7.5.log

 

Solutions

Remove invalid character @ from VMware datastore name